I beleive she has an HPV related cancer.

"Actress Farrah Fawcett chronicles her battle with cancer with her own home video camera, assisted by friends and family, including longtime partner Ryan O'Neal, Alana Stewart, Jaclyn Smith, Kate Jackson and her father, Jim Fawcett."

Catherine

2mm tumor excised 09/23/2008 (floor of mouth)
SCC (superficially invasive, well-differentiated)
Stage 1, T1N0M0
01/2009 and 01/2010 - PET/CT clear
Four and 1/2 years - NED!
"Detection can be easy, treatment is not!"